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Finding the Fourth Proportional to 53,306.66, 79,950.12 and 19,565.30

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Solution

The fourth proportional to 53,306.66, 79,950.12 and 19,565.30 is: 29,344.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,306.66 : 79,950.12 = 19,565.30 : x
  2. Step 2: Convert to fraction form
    53,306.66/79,950.12 = 19,565.30/x
  3. Step 3: Cross multiply
    53,306.66x = 79,950.12 × 19,565.30
  4. Step 4: Simplify right side
    53,306.66x = 1,564,248,082.84
  5. Step 5: Solve for x
    x = 1,564,248,082.84/53,306.66
  6. Step 6: Final answer
    x = 29,344.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.